VirtualBox is an open-source, cross-platform virtualization software aquired by Oracle. It enables users to create and run virtual machines (VMs) on their computer, allowing them to run multiple operating systems simultaneously on a single physical machine.

With VirtualBox, users can create and manage virtual machines running various operating systems, including Windows, Linux, macOS, and others. It provides a user-friendly interface and features for configuring VM settings, allocating resources like CPU, memory, and storage, as well as networking options to simulate different network environments.

VirtualBox is commonly used by developers, testers, and IT professionals for various purposes, such as software development, testing, running multiple environments on a single machine, or experimenting with different operating systems without affecting the host system.

Tutorial and full source code explaining how to create a Kubernetes cluster with Ansible and Vagrant for local development under 3 minutes.
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